/Engine/Source/Runtime/Engine/Classes/Animation/AnimData/IAnimationDataModel.h
Rich curve ptr for the provided identifier if valid, otherwise returns a nullptr
const [FRichCurve](API\Runtime\Engine\Curves\FRichCurve) * FindRichCurve ( const [FAnimationCurveIdentifier](API\Runtime\Engine\Animation\AnimData\FAnimationCurveIdentifier) & CurveIdentifier ) const